For on-line viscosity measurement and control, Brookfield rotational viscometers provide accurate and repeatable data, which correlates to laboratory tests if necessary. VTA Pneumatic Viscosel® VTE Electrical Accessories PVT230 Probe/TT200 Probe pH Probe Accessory TT100® In-Line Viscometer STT100® Sanitary In-Line Viscometer TTVS/CC Variable Speed In-Line Viscometer Temperature Compensation TT200 Flange Mounted Viscometer High Pressure PVS Rheometer AST-100 Viscometer